Which of the following was an effect of the boston massacre?

a. captain preston and six other british soldiers were found guilty of murder and hanged

b. colonists protested the attack by dumping crates of tea into boston harbor

c. over fifty colonists died and dozens more were wounded

d. john adams was criticized for defending the british soldiers who were involved

B

Explanation:

the colonists were angry because they were taxed a lot so theu started rioting and the reason behind the bostin massacare was the taxes

the emancipation proclamation was the aim of the war change to include the freeing of slaves in addition to preserving the union. the 13th amendment, which abolished slavery in the u.s. was passed on december 6th 1865.

as promised, lincoln waited to unveil the proclamation until he could do so with success from the union military advance. on september 22nd 1862, after a victory at antietam, he publicly announced a preliminary emancipation proclamation, declaring all slaves free in the rebellious states as of january 1st 1863.